OpenHardwareMonitor: Hardware/LPC/W836XX.cs@0e62c377c08c

     1 /*

     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1

     5   The contents of this file are subject to the Mozilla Public License Version

     6   1.1 (the "License"); you may not use this file except in compliance with

     7   the License. You may obtain a copy of the License at

     9   http://www.mozilla.org/MPL/

    11   Software distributed under the License is distributed on an "AS IS" basis,

    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

    13   for the specific language governing rights and limitations under the License.

    15   The Original Code is the Open Hardware Monitor code.

    17   The Initial Developer of the Original Code is

    18   Michael Möller <m.moeller@gmx.ch>.

    19   Portions created by the Initial Developer are Copyright (C) 2009-2010

    20   the Initial Developer. All Rights Reserved.

    22   Contributor(s):

    24   Alternatively, the contents of this file may be used under the terms of

    25   either the GNU General Public License Version 2 or later (the "GPL"), or

    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

    27   in which case the provisions of the GPL or the LGPL are applicable instead

    28   of those above. If you wish to allow use of your version of this file only

    29   under the terms of either the GPL or the LGPL, and not to allow others to

    30   use your version of this file under the terms of the MPL, indicate your

    31   decision by deleting the provisions above and replace them with the notice

    32   and other provisions required by the GPL or the LGPL. If you do not delete

    33   the provisions above, a recipient may use your version of this file under

    34   the terms of any one of the MPL, the GPL or the LGPL.

    36 */

    38 using System;

    39 using System.Collections.Generic;

    40 using System.Drawing;

    41 using System.Text;

    43 namespace OpenHardwareMonitor.Hardware.LPC {

    44   public class W836XX : LPCHardware, IHardware {

    46     private ushort address;

    47     private byte revision;

    49     private bool available;

    51     private Sensor[] temperatures;

    52     private Sensor[] fans;

    53     private Sensor[] voltages;

    55     private float[] voltageGains;

    56     private string[] fanNames;

    58     // Consts

    59     private const ushort WINBOND_VENDOR_ID = 0x5CA3;

    60     private const byte HIGH_BYTE = 0x80;

    62     // Hardware Monitor

    63     private const byte ADDRESS_REGISTER_OFFSET = 0x05;

    64     private const byte DATA_REGISTER_OFFSET = 0x06;

    66     // Hardware Monitor Registers

    67     private const byte VOLTAGE_BASE_REG = 0x20;

    68     private const byte BANK_SELECT_REGISTER = 0x4E;

    69     private const byte VENDOR_ID_REGISTER = 0x4F;

    70     private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;

    72     private string[] TEMPERATURE_NAME =

    73       new string[] {"CPU", "Auxiliary", "System"};

    74     private byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };

    75     private byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };

    76     private byte[] TEMPERATURE_SEL = new byte[] { 1, 2, 0 };

    78     private byte[] FAN_TACHO_REG = new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };

    79     private byte[] FAN_TACHO_BANK = new byte[] { 0, 0, 0, 0, 5 };

    80     private byte[] FAN_BIT_REG = new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };

    81     private byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };

    82     private byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };

    83     private byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };

    85     private byte ReadByte(byte bank, byte register) {

    86       WinRing0.WriteIoPortByte(

    87          (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);

    88       WinRing0.WriteIoPortByte(

    89          (ushort)(address + DATA_REGISTER_OFFSET), bank);

    90       WinRing0.WriteIoPortByte(

    91          (ushort)(address + ADDRESS_REGISTER_OFFSET), register);

    92       return WinRing0.ReadIoPortByte(

    93         (ushort)(address + DATA_REGISTER_OFFSET));

    94     }

    96     private void WriteByte(byte bank, byte register, byte value) {

    97       WinRing0.WriteIoPortByte(

    98          (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);

    99       WinRing0.WriteIoPortByte(

   100          (ushort)(address + DATA_REGISTER_OFFSET), bank);

   101       WinRing0.WriteIoPortByte(

   102          (ushort)(address + ADDRESS_REGISTER_OFFSET), register);

   103       WinRing0.WriteIoPortByte(

   104          (ushort)(address + DATA_REGISTER_OFFSET), value);

   105     }

   107     public W836XX(Chip chip, byte revision, ushort address)

   108       : base(chip)

   109     {

   110       this.address = address;

   111       this.revision = revision;

   113       available = IsWinbondVendor();

   115       List<Sensor> list = new List<Sensor>();

   116       switch (chip) {

   117         case Chip.W83627DHG:

   118           // do not add temperature sensor registers that read PECI agents

   119           byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);

   120           if ((sel & 0x07) == 0)

   121             list.Add(new Sensor(TEMPERATURE_NAME[0], 0,

   122               SensorType.Temperature, this));

   123           if ((sel & 0x70) == 0)

   124             list.Add(new Sensor(TEMPERATURE_NAME[1], 1,

   125               SensorType.Temperature, this));

   126           list.Add(new Sensor(TEMPERATURE_NAME[2], 2,

   127             SensorType.Temperature, this));

   128           break;

   129         default:

   130           // no PECI support or extra sensor report register

   131           for (int i = 0; i < TEMPERATURE_NAME.Length; i++) {

   132             list.Add(new Sensor(TEMPERATURE_NAME[i], i,

   133               SensorType.Temperature, this));

   134           }

   135           break;

   136       }

   137       temperatures = list.ToArray();

   139       switch (chip) {

   140         case Chip.W83627DHG:

   141         case Chip.W83627DHGP:

   142         case Chip.W83627EHF:

   143         case Chip.W83667HG:

   144         case Chip.W83667HGB:

   145           fanNames = new string[] { "System", "CPU", "Auxiliary",

   146             "CPU #2", "Auxiliary #2" };

   147           voltageGains = new float[] { 1, 1, 1, 2, 1, 1, 1, 2 };

   148           voltages = new Sensor[3];

   149           voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);

   150           voltages[1] = new Sensor("+3.3V", 3, SensorType.Voltage, this);

   151           voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);

   152           break;

   153         case Chip.W83627HF:

   154         case Chip.W83627THF:

   155           fanNames = new string[] { "System", "CPU", "Auxiliary" };

   156           voltageGains = new float[] { 2, 1, 2, 1, 1, 1, 1, 2 };

   157           voltages = new Sensor[3];

   158           voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);

   159           voltages[1] = new Sensor("+3.3V", 2, SensorType.Voltage, this);

   160           voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);

   161           break;

   162         default: fanNames = new string[0];

   163           break;

   164       }

   166       fans = new Sensor[fanNames.Length];

   167       for (int i = 0; i < fanNames.Length; i++)

   168         fans[i] = new Sensor(fanNames[i], i, SensorType.Fan, this);

   169     }

   171     public bool IsAvailable {

   172       get { return available; }

   173     }

   175     private bool IsWinbondVendor() {

   176       ushort vendorId =

   177         (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |

   178            ReadByte(0, VENDOR_ID_REGISTER));

   179       return vendorId == WINBOND_VENDOR_ID;

   180     }

   182     public void Update() {

   184       foreach (Sensor sensor in voltages) {

   185         if (sensor.Index < 7) {

   186           // two special VCore measurement modes for W83627THF

   187           if (chip == Chip.W83627THF && sensor.Index == 0) {

   188             byte vrmConfiguration = ReadByte(0, 0x18);

   189             int value = ReadByte(0, VOLTAGE_BASE_REG);

   190             if ((vrmConfiguration & 0x01) == 0)

   191               sensor.Value = 0.016f * value; // VRM8 formula

   192             else

   193               sensor.Value = 0.00488f * value + 0.69f; // VRM9 formula

   194           } else {

   195             int value = ReadByte(0, (byte)(VOLTAGE_BASE_REG + sensor.Index));

   196             sensor.Value = 0.008f * voltageGains[sensor.Index] * value;

   197           }

   198           if (sensor.Value > 0)

   199             ActivateSensor(sensor);

   200           else

   201             DeactivateSensor(sensor);

   202         } else {

   203           // Battery voltage

   204           bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;

   205           if (valid) {

   206             sensor.Value =

   207               0.008f * voltageGains[sensor.Index] * ReadByte(5, 0x51);

   208             ActivateSensor(sensor);

   209           } else

   210             DeactivateSensor(sensor);

   211         }

   212       }

   214       foreach (Sensor sensor in temperatures) {

   215         int value;

   216         switch (chip) {

   217           case Chip.W83667HG:

   218           case Chip.W83667HGB:

   219             WriteByte(0, 0x7D, TEMPERATURE_SEL[sensor.Index]);

   220             value = ((sbyte)ReadByte(0, 0x7E)) << 1;

   221             break;

   222           case Chip.W83627DHGP:

   223             WriteByte(0, 0x7C, TEMPERATURE_SEL[sensor.Index]);

   224             value = ((sbyte)ReadByte(0, 0x7D)) << 1;

   225             break;

   226           default:

   227             value = ((sbyte)ReadByte(TEMPERATURE_BANK[sensor.Index],

   228               TEMPERATURE_REG[sensor.Index])) << 1;

   229             if (TEMPERATURE_BANK[sensor.Index] > 0) {

   230               value |= ReadByte(TEMPERATURE_BANK[sensor.Index],

   231                 (byte)(TEMPERATURE_REG[sensor.Index] + 1)) >> 7;

   232             }

   233             break;

   234         }

   235         float temperature = value / 2.0f;

   236         if (temperature <= 125 && temperature >= -55) {

   237           sensor.Value = temperature;

   238           ActivateSensor(sensor);

   239         } else {

   240           DeactivateSensor(sensor);

   241         }

   242       }

   244       long bits = 0;

   245       for (int i = 0; i < FAN_BIT_REG.Length; i++)

   246         bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);

   247       foreach (Sensor sensor in fans) {

   248         int count = ReadByte(FAN_TACHO_BANK[sensor.Index],

   249           FAN_TACHO_REG[sensor.Index]);

   250         int divisorBits = (int)(

   251           (((bits >> FAN_DIV_BIT2[sensor.Index]) & 1) << 2) |

   252           (((bits >> FAN_DIV_BIT1[sensor.Index]) & 1) << 1) |

   253            ((bits >> FAN_DIV_BIT0[sensor.Index]) & 1));

   254         int divisor = 1 << divisorBits;

   255         float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;

   256         sensor.Value = value;

   257         if (value > 0)

   258           ActivateSensor(sensor);

   259       }

   260     }

   262     public string GetReport() {

   263       StringBuilder r = new StringBuilder();

   265       r.AppendLine("LPC " + this.GetType().Name);

   266       r.AppendLine();

   267       r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));

   268       r.Append("Chip revision: 0x"); r.AppendLine(revision.ToString("X"));

   269       r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));

   270       r.AppendLine();

   271       r.AppendLine("Hardware Monitor Registers");

   272       r.AppendLine();

   273       r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");

   274       r.AppendLine();

   275       for (int i = 0; i <= 0x7; i++) {

   276         r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");

   277         for (int j = 0; j <= 0xF; j++) {

   278           r.Append(" ");

   279           r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString("X2"));

   280         }

   281         r.AppendLine();

   282       }

   283       for (int k = 1; k <= 15; k++) {

   284         r.AppendLine("Bank " + k);

   285         for (int i = 0x5; i < 0x6; i++) {

   286           r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");

   287           for (int j = 0; j <= 0xF; j++) {

   288             r.Append(" ");

   289             r.Append(ReadByte((byte)(k),

   290               (byte)((i << 4) | j)).ToString("X2"));

   291           }

   292           r.AppendLine();

   293         }

   294       }

   295       r.AppendLine();

   297       return r.ToString();

   298     }

   299   }

   300 }

author	moel.mich
	Mon, 22 Feb 2010 09:57:02 +0000
changeset 60	0e62c377c08c
parent 56	5cb7eb5bf628
child 63	1a7c13ac7348
permissions	-rw-r--r--